<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>

      <!-- 搜索栏区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
          <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>  
        </el-col>
      </el-row>
 
      <!-- 表格区域 -->
      <el-table :data="goodsList" stripe border>
      <el-table-column type="index"></el-table-column>
      <el-table-column prop="goods_name" label="商品名称">
      </el-table-column>
      <el-table-column prop="goods_price" label="商品价格" width="95px">
      </el-table-column>
      <el-table-column prop="goods_weight" label="商品重量" width="80px">
      </el-table-column>
      <el-table-column prop="add_time" label="创建时间" width="160px">
        <template slot-scope="scope">
           {{scope.row.add_time|dataFormat}}
        </template>
      </el-table-column>
      <el-table-column prop="add_time" label="操作" width="130px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
      </el-table-column>
      </el-table>

      <!-- 分页区域 -->
       <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data () {
    return {
      queryInfo:{
        query:'',
        // 当前第几页
        pagenum:1,
        // 一页多少条
        pagesize:10
      },
      goodsList:[],
      total:0
    }
  },
  created(){
    this.getGoodsList()
  },
  methods:{
   async getGoodsList(){
    const {data:res}=await this.$http.get('goods',{params:this.queryInfo})

    if(res.meta.status!==200){return this.$message.error('获取商品列表失败')}
    // this.$message.success('获取商品列表成功')
    this.goodsList=res.data.goods
    this.total=res.data.total
      console.log(res);
    },
    // 一页多少条发送改变时调用
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getGoodsList()
    },
    // 当前第几天变化调用
    handleCurrentChange(newPage){
      this.queryInfo.pagenum=newPage
      this.getGoodsList()
    },

    // 根据id删除商品
   async removeById(id){
      const confirmRsult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
       if(confirmRsult!=='confirm') {return this.$message.info('已取消删除')}
      const {data:res} =await this.$http.delete(`goods/${id}`)

      if(res.meta.status!==200){return this.$message.error('删除商品失败')}

      this.getGoodsList()
      this.$message.success('删除商品成功')
    },
    goAddPage(){
    this.$router.push('/goods/add')
  }
  },

}
</script>
<style lang="less" scoped>
</style>